Barns 33 Country Barns Grayscale Adult Coloring Book Country Farm Scenes with Rustic Barns, New Barns and Old Barns Barns, Country Farm Scenes Grayscale Series Volume 1 is a GRAYSCALE coloring book for adults. Grayscale is very different than traditional black outline coloring books. Grayscale coloring is meant for people who want to create more realistic colored images. Author/Artist Kimberly Hawthorne brings...